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Finding the Fourth Proportional to 60,110.96, 82,891.69 and 39,971.12

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Solution

The fourth proportional to 60,110.96, 82,891.69 and 39,971.12 is: 55,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,110.96 : 82,891.69 = 39,971.12 : x
  2. Step 2: Convert to fraction form
    60,110.96/82,891.69 = 39,971.12/x
  3. Step 3: Cross multiply
    60,110.96x = 82,891.69 × 39,971.12
  4. Step 4: Simplify right side
    60,110.96x = 3,313,273,173.61
  5. Step 5: Solve for x
    x = 3,313,273,173.61/60,110.96
  6. Step 6: Final answer
    x = 55,119.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.